Fix warnings in CameraCalibration module
Fix warnings in CameraCalibration module

MITK/MITK,MITK/MITK,fmilano/mitk,MITK/MITK,fmilano/mitk,fmilano/mitk,fmilano/mitk,MITK/MITK,MITK/MITK,fmilano/mitk,fmilano/mitk,fmilano/mitk,MITK/MITK